diff --git a/lib/mustache/readme_moodle.txt b/lib/mustache/readme_moodle.txt
index 27e56b4f9fc..6bc4acffe4f 100644
--- a/lib/mustache/readme_moodle.txt
+++ b/lib/mustache/readme_moodle.txt
@@ -6,8 +6,8 @@ at https://github.com/bobthecow/mustache.php/releases)
 2) Move the src/ and LICENSE file into lib/mustache
 
 e.g.
-wget https://github.com/bobthecow/mustache.php/archive/v2.11.1.zip
-unzip v2.11.1.zip
-cd mustache.php-2.11.1/
+wget https://github.com/bobthecow/mustache.php/archive/v2.12.0.zip
+unzip v2.12.0.zip
+cd mustache.php-2.12.0/
 mv src /path/to/moodle/lib/mustache/
 mv LICENSE /path/to/moodle/lib/mustache/
diff --git a/lib/thirdpartylibs.xml b/lib/thirdpartylibs.xml
index ce97f483e9b..4d0b4e4068f 100644
--- a/lib/thirdpartylibs.xml
+++ b/lib/thirdpartylibs.xml
@@ -227,7 +227,7 @@
     <location>mustache</location>
     <name>Mustache</name>
     <license>MIT</license>
-    <version>2.11.1</version>
+    <version>2.12.0</version>
   </library>
   <library>
     <location>amd/src/mustache.js</location>